1. Department of Emergency Medicine, University of Colorado School of Medicine , Aurora, CO 80045, USA
2. Center for COMBAT Research, University of Colorado School of Medicine , Aurora, CO 80045, USA
3. Colorado National Guard Medical Detachment, Buckley Space Force Base , CO 80112, USA
4. Department of Emergency Medicine, Denver Health Medical Center , Denver, CO, USA
5. 40th Forward Resuscitative Surgical Detachment , Fort Carson, CO 80902, USA
6. 59th Medical Wing , JBSA Lackland, TX 78236, USA
7. Joint Trauma System, Defense Health Agency , JBSA Fort Sam Houston, TX, USA
8. Department of Military and Emergency Medicine, Uniformed Services University of the Health Sciences , Bethesda, MD 20814, USA
9. Department of Emergency Medicine, Brooke Army Medical Center , Fort Sam Houston, TX 78234, USA
10. United States Army Institute of Surgical Research , JBSA Fort Sam Houston, TX 78234, USA